chore: Dockerfile (multi-stage, Python 3.14, non-root, healthcheck)#34
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Port Teller's multi-stage Dockerfile, bump base to python:3.14-slim. Builder materialises the venv via uv sync --frozen --no-dev; runtime copies only the venv + src/ onto a fresh slim base, runs as non-root user `app`. HEALTHCHECK hits /api/v1/health (template's API prefix). Drop the data/ COPY — template has no data dir. UV_PYTHON_DOWNLOADS=never + UV_PYTHON_PREFERENCE=only-system pin to the system Python so pyvenv.cfg symlinks survive the stage handover. Closes #6 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
python:3.12-slim→python:3.14-slim.teller→app; drop theCOPY data/line (template has nodata/); update healthcheck path from/api/health→/api/v1/healthto match the template's API prefix.uv sync --frozen --no-dev; runtime carries only.venv+src/. No uv, no pip cache, no build tools, no dev deps in the runtime image.urllib.request(no curl in image).Closes #6.
Test plan
USER app)./api/v1/health(200 after feat: backend scaffold (FastAPI app, /api/v1/health, /api/v1/echo, sessions) #17 lands).docker build .smoke — deferred to ticket test: end-to-end smoke (docker compose up, sample PR runs every gate green, eval workflow_dispatch) #27 (full e2e), sincesrc/api/main.pyis created by feat: backend scaffold (FastAPI app, /api/v1/health, /api/v1/echo, sessions) #17.🤖 Generated with Claude Code